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Issue No. 01 - January/February (2009 vol. 29)
ISSN: 0272-1732
pp: 33-40
John Kim , Northwestern University
William Dally , Stanford University
Dennis Abts , Google
<p>It is more efficient to use increasing pin bandwidth by creating high-radix routers with a large number of narrow ports instead of low-radix routers with fewer wide ports. Building networks using high-radix routers lowers cost and improves performance, but also presents many challenges. The dragonfly topology minimizes network cost by reducing the number of global channels required.</p>
dragonfly topology, large-scale systems

S. Scott, W. Dally, D. Abts and J. Kim, "Cost-Efficient Dragonfly Topology for Large-Scale Systems," in IEEE Micro, vol. 29, no. , pp. 33-40, 2009.
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